According to the illustration, fuel cutoff...

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Question 1 of 20673956e598d45f16831b6d1e

According to the illustration, fuel cutoff timing in the cylinder is controlled with the component that is identified as the letter _________. Illustration MO-0097

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Question 1 of 20

673956e598d45f16831b6d1e

According to the illustration, fuel cutoff timing in the cylinder is controlled with the component that is identified as the letter _________. Illustration MO-0097

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🔍 Key Concepts

• Fuel injection timing vs. fuel cutoff in a unit injector/fuel pump • How the plunger and its helix work to stop injection by uncovering spill ports • Which part in the illustration is adjustable by the governor/rack to change the end of injection

💭 Think About

• Follow the motion of the fuel system from the cam at the bottom up to the injector tip at the top: which specific part actually determines when fuel flow to the cylinder STOPS, not just when the plunger starts moving? • Look for the component whose ROTATION (not just up‑and‑down motion) would change when the spill ports open and therefore change the cutoff point. • Among C, H, I, and K, which one is directly involved with the helical control edge that uncovers spill ports to end injection, rather than being only a drive or linkage part?

✅ Before You Answer

• Identify which letter labels the plunger/barrel assembly with the helix and spill ports rather than the cam or external linkage. • Confirm which component is directly responsible for uncovering the spill port to end fuel injection inside the pump/injector. • Eliminate any part that only transmits motion (cam, rocker, link) without itself determining the precise moment that fuel flow is cut off.

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Question 1 of 20673956e598d45f16831b6d1e

According to the illustration, fuel cutoff timing in the cylinder is controlled with the component that is identified as the letter _________. Illustration MO-0097

Back

Question 1 of 20

673956e598d45f16831b6d1e

According to the illustration, fuel cutoff timing in the cylinder is controlled with the component that is identified as the letter _________. Illustration MO-0097

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed